/*
 * Copyright 2011 Eike Kettner
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.eknet.swing.task;

/**
 * @author <a href="mailto:eike.kettner@gmail.com">Eike Kettner</a>
 * @since 20.07.11 11:31
 */
public interface TaskListenerSupport {

  /**
   * Add a {@link TaskListener} that receives events for all tasks executed.
   *
   * @param listener
   */
  void addListener(TaskListener listener);
  void removeListener(TaskListener listener);

  /**
   * Add a {@link TaskListener} that will only receive events for tasks with
   * the specified id.
   *
   * @param taskId
   * @param listener
   */
  void addListener(/*@NotNull*/ String taskId, TaskListener listener);
  void removeListener(/*@NotNull*/ String taskId, TaskListener listener);

}
